self-colored vs self-coloured

self-colored and self-coloured both are adjectives.

Word	Noun	Adjective	Verb	Adverb
self-colored	No	Yes	No	No
self-coloured	No	Yes	No	No

As adjectives, self-colored and self-coloured are synonyms defined as:

Other synonyms of self-colored include solid.

self-colored (adjective)	self-coloured (adjective)
of the same color throughout	of the same color throughout